A.\(x = 17\)B.\(x = 24\)C.\(x = 2\)D.\(x = 40\)
A.\( - 3\) B.\(3\)C.\(4\)D.\(5\)
A.\(Q\left( {4; - 2;1} \right).\)B.\(N\left( {4;2;1} \right).\)C.\(P\left( {2;1; - 3} \right).\)D.\(M\left( {2;1;3} \right).\)
A.\(4\)B.\( - 3\)C.\(3\)D.\( - 4\)
A.\(\left( { - 1;\,\,2;\, - 3} \right)\)B.\(\left( {2;\,\, - 4;\,6} \right)\)C.\(\left( {1;\,\, - 2;\,3} \right)\)D.\(\left( { - 2;\,\,4;\, - 6} \right)\)
A.\(x = 3\)B.\(x = - 1\)C.\(x = 2\)D.\(x = - 3\)
A.\(12{a^3}\)B.\(4{a^3}\)C.\(2{a^3}\)D.\(6{a^3}\)
A.\(48\pi \)B.\(4\pi \)C.\(16\pi \)D.\(24\pi \)
A.\(a = 8{b^2}\)B.\(a = 8b\)C.\(a = 6b\)D.\(a = 8{b^4}\)
A.\(\dfrac{{49{\rm{\pi }}}}{4}\)B.\(\dfrac{{49{\rm{\pi }}}}{2}\)C.\(49{\rm{\pi }}\)D.\(98{\rm{\pi }}\)
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